sit flow rates could be adjusted, and you could probably make it happen, but it is beginning to be very tightly regulated. tell us, when people come in to buy, what is it that they like? what are they actually buying? >> a lot of it has to do with style. first is for the lab faucet's. you have the widespread, the two handles, hot and cold. very modern design. >> people like modern. >> people like modern, but we are in san francisco, so we get a wide range. then the one hand, very popular, ada-approved. saves water. very easy to use >> > one of the standards for commercial, not residential, is that you have to be able to operate equipment with a single operation without tight grasping or pinching.